[INFO] fetching crate swc_plugin_backend_wasmer 4.0.0...
[INFO] testing swc_plugin_backend_wasmer-4.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate swc_plugin_backend_wasmer 4.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate swc_plugin_backend_wasmer 4.0.0
[INFO] finished tweaking crates.io crate swc_plugin_backend_wasmer 4.0.0
[INFO] tweaked toml for crates.io crate swc_plugin_backend_wasmer 4.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swc_plugin_backend_wasmer 4.0.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swc_plugin_backend_wasmer 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 149213a3829063d2174d8b59b55ca782af4fc3c58854dd4d6018beea96971a48
[INFO] running `Command { std: "docker" "start" "-a" "149213a3829063d2174d8b59b55ca782af4fc3c58854dd4d6018beea96971a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "149213a3829063d2174d8b59b55ca782af4fc3c58854dd4d6018beea96971a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149213a3829063d2174d8b59b55ca782af4fc3c58854dd4d6018beea96971a48", kill_on_drop: false }`
[INFO] [stdout] 149213a3829063d2174d8b59b55ca782af4fc3c58854dd4d6018beea96971a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f17b05081b47aea24bdf31040e01b623bd514cd898b3b197347760851f8d3b78
[INFO] running `Command { std: "docker" "start" "-a" "f17b05081b47aea24bdf31040e01b623bd514cd898b3b197347760851f8d3b78", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling bytecheck_derive v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ptr_meta v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling rancor v0.1.0
[INFO] [stderr]    Compiling munge_macro v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling bytecheck v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling rend v0.5.2
[INFO] [stderr]    Compiling munge v0.4.1
[INFO] [stderr]    Compiling rkyv_derive v0.8.9
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling cpufeatures v0.2.13
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling wasmparser v0.224.1
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling cranelift-isle v0.110.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=118fb30ca50f3142 -C extra-filename=-507b4ba6c9d1e496 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-854696e6ecb228db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2fa5dbbdcf3ea8ea.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f17b05081b47aea24bdf31040e01b623bd514cd898b3b197347760851f8d3b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17b05081b47aea24bdf31040e01b623bd514cd898b3b197347760851f8d3b78", kill_on_drop: false }`
[INFO] [stdout] f17b05081b47aea24bdf31040e01b623bd514cd898b3b197347760851f8d3b78